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DR. SIGRID E BERG MD
NPI 1972665834
Internal Medicine - Hematology & Oncology in Brewer, ME

Active since December 15, 2006PECOS Enrolled
98.06/100
CMS Quality Rating
33 WHITING HILL RD, SUITE 21, BREWER, ME 04412(207) 973-7478(207) 973-8234 Get Directions Write a Review

NPPES record last updated: August 16, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Sigrid E Berg Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SIGRID E BERG MD (NPI 1972665834) is an individual hematology & oncology provider in Brewer, Maine, licensed in Maine (017706) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972665834
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. SIGRID E BERGCredential: MD
Location Address33 WHITING HILL RD, SUITE 21Brewer, ME 04412-1021
Mailing Address43 Whiting Hill Rd, Suite 300Brewer, ME 04412-1005 · Fax (207) 973-8234
Phone(207) 973-7478
Fax(207) 973-8234
Sole ProprietorNo
Enumeration DateDecember 15, 2006
Last NPPES UpdateAugust 16, 2016
✔ NPI 1972665834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in ME · 017706✔ Licensed in PA · MT186411
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD426107 (PA)
33 WHITING HILL RD, Brewer, ME 04412
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sigrid E Berg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Sigrid Berg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mainehealth
28 mi
Critical Access
118 NORTHPORT AVE
Belfast, ME 04915
  • Reassigned Medicare billing, Maine enrollment
  • Also billed through NPI 1265912075 (Maine)
  • 211 clinicians in this Medicare group
NPI 1841397932 (207) 338-2500
Mount Desert Island Hospital
37 mi
Critical Access
10 WAYMAN LN
Bar Harbor, ME 04609
  • Reassigned Medicare billing, Maine enrollment
  • 97 clinicians in this Medicare group
NPI 1790764512 (207) 288-5081

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04412 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$162.77 typical visit price
range $53.26 – $162.77
Typical copayment $40.69 (range $13.31 – $40.69)
Most-billed visit code 99205
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NADINE PATRICIA SAUER SANTACRUZ M.D.
Pediatrics (Pediatric Hematology-Oncology)
33 WHITING HILL RD, SUITE 31
BREWER, ME 04412
Penobscot County (207) 973-7572
DR. JANEEN DANIELS M.D.
Radiology (Radiation Oncology)
33 WHITING HILL RD
BREWER, ME 04412
Penobscot County (207) 973-4280
KARRIE ANN OUELLETTE FNP-C
Nurse Practitioner (Family)
33 WHITING HILL RD
BREWER, ME 04412
Penobscot County (207) 973-7478
JANICE L PILOTTE FNP
Nurse Practitioner (Family)
33 WHITING HILL RD, SUITE 21
BREWER, ME 04412
Penobscot County (207) 973-7478
DR. DANIEL LEE CALLAWAY M.D.
Pediatrics (Pediatric Hematology-Oncology)
33 WHITING HILL RD
BREWER, ME 04412
Penobscot County (207) 973-9733
NORTHEAST RADIATION ONCOLOGY PA
Radiology (Radiation Oncology)
33 WHITING HILL RD
BREWER, ME 04412
Penobscot County (207) 973-8198
ALEXANDER HOI KI WU
Internal Medicine (Hematology & Oncology)
33 WHITING HILL RD
BREWER, ME 04412
Penobscot County (207) 973-7000
KAIDEN P TRASK PA-C
Physician Assistant
33 WHITING HILL RD
BREWER, ME 04412
Penobscot County (207) 973-7272

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sigrid Berg's NPI number?

The NPI number for Sigrid Berg is 1972665834. It was assigned to this individual provider in the NPPES registry on December 15, 2006.

Where is Sigrid Berg located?

Sigrid Berg practices at 33 Whiting Hill Rd Suite 21, Brewer, ME 04412. The listed phone number is (207) 973-7478.

What is Sigrid Berg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Sigrid Berg enrolled in Medicare?

Yes. Sigrid Berg is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sigrid Berg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sigrid Berg reassigns Medicare benefits to 2 organizations: Mainehealth (Belfast, ME) and Mount Desert Island Hospital (Bar Harbor, ME). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sigrid Berg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sigrid Berg accept?

Health plans from Harvard Pilgrim Health Care and Taro Health list Sigrid Berg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sigrid Berg was last updated on August 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.